• Welcome to the
    Snoqualmie Valley
    School District
    Congratulations Class of 2015 graduating seniors!
    Read the latest district newsletter for highlights from the year.
    To plan ahead, find back-to-school information online.
    Remember to vote in the August 4 election. (There are no school measures in the upcoming election.)
    Have a great summer break!
    Comments (-1)

Contact Us

  • Main Campus Office 
    Closed from June 29-August 14
    Opens August 17th 
    Phone: 425.831.8100
    Attendance: 425.831.8200
         *Opens August 26th  
    Counseling: 425.831.8150
         *Opens August 20th
    Athletics: 425.831.8103
          *Opens August 17th
    Hours: 7:00 - 3:30 p.m.
    Freshman Campus Office
    Closed from June 29-August 14
    Opens August 17th
    Phone: 425.831.8450
    Attendance: 425.831.8450
    Counseling: 425.831.8475
       *Opens August 20th
    Hours: 7:00 - 3:30 p.m.
    Finance Hours - both campuses
    7:30 - 12:30 p.m.
    Comments (-1)

Upcoming Events

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Welcome to MSHS

Mount Si High School is the sole comprehensive high school in the Snoqualmie Valley School District, serving approximately 1,600 students in grades 9-12. Opening in 1945, Mount Si High School offers a safe, positive learning environment with a comprehensive program to inspire learning and challenge students as they prepare for college and 21st Century careers. Students have access to rigorous college preparatory curriculum, exceptional career technical education programs, and a rich array of elective classes and extracurricular activities to expand their skills and interests.

School Profile

MSHS School Profile 2014-15